Grass shear



FIG. 1 is a left side elevational view of the grass shear;

FIG. 2 is a top plan view;

FIG. 3 is a right side view;

FIG. 4 is a bottom plan view;

FIG. 5 is a front view; and,

FIG. 6 is a rear view.

The broken line showing of a shear blade is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a grass shear, as shown and described. 